According to Dr. Roman-Lantzy, Cortical Visual Impairment (CVI) âis the leading cause of visual impairment in children today.â CVI differs from other types of visual impairment which are due to physical problems with the eyes. CVI is a neurological disorder caused by damage to the visual centers of the brain, which interferes with communication between the brain and the eyes. The eyes are able to see, but the brain is not interpreting what is being seen.
The bulk of the privately-owned cars were the property of the âbig threeâ leasing companies, General American (GATX), Union Tank (UTLX), and Shippers Car Line (SHPX), with other lessors such as North American (NATX) far down the list.
Vertex offers two variations of the Generation Nextâ¢ tank car; a 30,000 nominal â more... gallon thermal lined tank car, and a 28,000 nominal gallon coiled and insulated thermal lined tank car. Vertex Railcar Corporation is also in the manufacturing of covered hopper cars. Vertex currently has a 3,285 cubic foot two bay hopper for the transportation of sand and cement. Vertex Railcar Corporation is currently working to deploy some other designs that include a 5,200 cubic foot covered grain hopper, and a 29,600 gallon DOT 111A tank car.